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Commitments and Contingencies (Details Textual)
In Millions, unless otherwise specified
Sep. 22, 2014
USD ($)
Sep. 22, 2014
CNY
Oct. 20, 2014
Hubei Henglong [Member]
USD ($)
Oct. 20, 2014
Hubei Henglong [Member]
CNY
Dec. 31, 2014
Suzhou Qingyan Automobile Industry Venture Firm [Member]
USD ($)
Dec. 31, 2014
Suzhou Qingyan Automobile Industry Venture Firm [Member]
CNY
Commitments and Contingencies Disclosure [Line Items]            
Capital $ 8.2us-gaap_Capital 50.0us-gaap_Capital $ 0.8us-gaap_Capital
/ dei_LegalEntityAxis
= caas_HubeiHenglongMember
5.0us-gaap_Capital
/ dei_LegalEntityAxis
= caas_HubeiHenglongMember
   
Noncontrolling Interest, Ownership Percentage by Parent 17.90%us-gaap_MinorityInterestOwnershipPercentageByParent 17.90%us-gaap_MinorityInterestOwnershipPercentageByParent        
Unpaid Capital         $ 7.4caas_UnpaidCapital
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= caas_SuzhouQingyanAutomobileIndustryVentureFirmMember
45.0caas_UnpaidCapital
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= caas_SuzhouQingyanAutomobileIndustryVentureFirmMember